Books

Become a Job-Ready API Automation Engineer Using PlaywrightAPI testing is now a must-have skill for modern QA engineers. Companies expect testers to validate backend systems, automate workflows, and integrate tests into CI/CD pipelines.This practical guide teaches you how to master API Testing using Playwright and TypeScript from scratch — even if you are transitioning from manual testing.In this book, you will learn how to:✔ Understand APIs, HTTP, and JSON from a tester’s perspective ✔ Write real API automation tests using Playwright ✔ Handle authentication, dynamic data, and environments ✔ Design a scalable API test automation framework ✔ Integrate tests into CI/CD pipelines ✔ Combine API and UI testing for faster automation ✔ Prepare for API testing and Playwright interviewsBy the end of this book, you will have the knowledge and confidence to build professional API automation frameworks and advance your QA career.Perfect for: QA Engineers, Manual Testers, Automation Testers, SDET Aspirants

Relax your mind. Sharpen your focus. Discover inner calm. Color soothing mandalas, solve engaging sudoku puzzles and explore simple meditation practices for a balanced mind.

Master Playwright by building real-world automation frameworks from scratch.This hands-on guide is designed for QA engineers, testers, and developers who want to become job-ready Playwright automation engineers.Instead of theory, this book focuses on real projects used in modern companies.Inside this book you will learn how to build:• A complete E-Commerce automation framework • Hybrid API + UI testing architecture • Enterprise SaaS dashboard automation • CI/CD pipelines using GitHub Actions • Dockerized and cloud-parallel test executionYou will also learn advanced topics like: • Network mocking for payment testing • Visual regression testing • Multi-user role-based automation • Handling flaky tests in production • Interview and resume preparationBy the end of this book, you will have multiple portfolio-ready Playwright projects and the confidence to crack automation interviews.Perfect for: QA engineers • Manual testers • SDETs • Developers

A practical backend interview reference covering modern Java and Spring Boot development (1363 manuscript pages).

Stop being the on-call engineer for your own house. Build a homelab that monitors, alerts, and fixes itself — entirely managed as code.

INTJ is one of the rarest personality types in the world. Only about 2.1% of people share it. You notice inefficiency sooner, tolerate stupidity less, and spend years building capability without building leverage.And yet somehow, people with less depth, less skill, and less actual value keep making more money than you.

Modern cloud systems require automation, consistency, and reliability. GitOps With ArgoCD shows how to manage Kubernetes applications using Git as the single source of truth while enabling automated deployments, policy enforcement, and scalable multi-cluster operations.Learn how DevOps teams use ArgoCD to simplify continuous delivery, improve infrastructure visibility, and maintain secure and reproducible environments.

Este es un recuento del declive físico, político y económico de John Milton, de los errores del gobierno de Cromwell, y del revanchismo del siguiente régimen. Una clara advertencia de aquellos que se creen poseedores de la verdad absoluta. Un relato de desencanto y de una fe que se mantiene frente a la adversidad.

Artificial Intelligence has become the new global power race. Nations are competing for data, infrastructure, and algorithmic dominance that will define the future world order.

A structured front-end interview guide focused on Angular internals and TypeScript fundamentals (444 manuscript pages).

Build modern Android applications with Kotlin and Jetpack using practical, real-world development techniques. Learn how professional Android developers structure projects, manage UI and state, and create scalable, production-ready apps.

Tic-Tac-Toe sounds simple, until you play it in 3D on a 5x5x5 board. Learn Blazor by building a complete 3D Tic-Tac-Toe game with .NET 10 and C# 14. Along the way, you’ll explore architecture, state management, persistence, AI, and interactive 3D UI through a project that’s both fun to build and rich with real-world lessons.

As decentralized finance expands, compliant access to on-chain financial services remains a major barrier for institutions and regulated participants. DeltaDeFi was created to address this challenge by developing infrastructure that connects decentralized financial tools with structured credit frameworks and regulatory-aware participation models. By introducing licensed credit mechanisms and compliant access pathways, DeltaDeFi demonstrates how DeFi innovation can evolve to support broader financial participation without compromising transparency or decentralization. Part of the 12-part Catalyst Off-Chain Impact Series, this case study explores how regulated credit infrastructure can bridge traditional finance and decentralized markets while expanding responsible access to on-chain financial services.

As decentralized ecosystems mature, transparent governance and responsible treasury management become essential for sustaining community-driven development. ClarityDAO was created to address this challenge by providing infrastructure designed to help decentralized organizations manage funds, coordinate decisions, and maintain accountability across their communities.By combining governance frameworks with treasury management tools, ClarityDAO demonstrates how structured coordination systems can strengthen trust and operational efficiency within decentralized networks. Part of the 12-part Catalyst Off-Chain Impact Series, this case study explores how governance infrastructure can support transparent decision-making, improve resource allocation, and enable decentralized organizations to operate with greater clarity and resilience.